* {
    margin: 0;
    padding: 0;
    list-style: none;
}

.swiper-container {
    width: 500px;
    height: 300px;
    overflow: hidden;
    position: relative;
}

.swiper-button-prev,
.swiper-button-next {
    width: 50px;
    height: 100px;
    background: rgba(0, 0, 0, .3);
    position: absolute;
    text-align: center;
    top: 50%;
    transform: translateY(-50%);
    line-height: 100px;
}

.swiper-button-prev {
    left: 0px;
}

.swiper-button-next {
    right: 0px;
}

.swiper-pagination {
    width: 200px;
    height: 50px;
    position: absolute;
    bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    right: 30%;
}

ul li {
    width: 20px;
    height: 20px;
    background: rgba(0, 0, 0, .3);
    border: solid #ccc 1px;
    border-radius: 50%;
}

.active {
    background: rgba(0, 0, 0, .8);
}